Sign holder



FIG. 1 is a top perspective view of a sign holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof:

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a top plan view thereof.

The broken lines in the figures are for the purpose of illustratingenvironmental structure and form no part of the claimed design.

CLAIM The ornamental design for a sign holder, as shown and described.